(a)
If a cotter pin is not necessary, loosen the nut and torque 120 to 180 pound-inches.
(b)
If a cotter pin is necessary, loosen the nut to the nearest castellation and install the cotter pin.
S 434-019
(10)
Set the lever (3) in the frame (1) and install the hook assembly (4).
S 434-020
(11)
Tighten the nut (18) 36 to 60 pound-inches.
(a)
Loosen the nut to the nearest castellation and install the cotter pin.
S 434-021
(12)
Install the clamp (11).
(a)
Tighten bolts (10) 12 to 36 pound-inches.
(b)
Lockwire after adjustment of the truck lock.
S 224-022
(13) Adjust and do a test on the mechanical truck lock (Ref 32-11-23/601).
S 094-026
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(14)
Do this task: "Removal of the Door Locks from the Wing Landing Gear" (Ref 32-00-30/201).
S 094-033
(15)
Do this task: "Removal of the Door Locks from the Body Landing Gear" (Ref 32-00-30/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-11-23
ALL ú ú 01 Page 406 ú Jun 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
WING LANDING GEAR TRUCK MECHANICAL LOCK - ADJUSTMENT/TEST
_________________________________________________________
1. General_______
A. This procedure contains a task to adjust the mechanical lock for the wing landing gear truck.
TASK 32-11-23-825-001
2. Adjustment and Test of the Truck Mechanical Lock on the Wing Landing Gear_________________________________________________________________________
A. Standard Tools and Equipment
(1)
Thickness gages, 0.10 to 0.25 inch (2.5 to 6.4 mm)
B.
References
(1)
AMM 07-11-01/201, Jacking Airplane
(2)
AMM 09-11-00/201, Towing
(3)
AMM 29-11-00/201, Main Hydraulic Supply System
(4)
AMM 32-00-30/201, Landing Gear Door Locks
(5)
AIPC 32-11-23 Fig. 01
C.
Access
(1)
Location Zone
735 Wing Landing Gear, LH
745 Wing Landing Gear, RH
D.
Preconditions
S 865-027
(1)
These conditions are necessary for this task:
(a)
The airplane is on jacks (AMM 07-11-01/201).
(b)
Hydraulic power is available (System 4) (AMM 29-11-00/201).
E.
Prepare to Adjust the Truck Mechanical Lock
(1)
Install the ground locks in all the landing gear (AMM 09-11-00/201).
S 865-022
S 495-023
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2) Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-11-23
ALL ú ú 01 Page 501 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 495-025
(3)
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
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